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<script>
  WCT = { waitFor: function (cb) { HTMLImports.whenReady(cb) } }
</script>
<script src="./test-flags.js"></script>
<script src="../node_modules/wct-browser-legacy/browser.js"></script>
<script src="../node_modules/@webcomponents/webcomponents-platform/webcomponents-platform.js"></script>
<script src="../node_modules/es6-promise/dist/es6-promise.auto.min.js"></script>
<script src="../node_modules/@webcomponents/template/template.js"></script>
<script src="../node_modules/@webcomponents/html-imports/html-imports.min.js"></script>
<script src="../node_modules/@webcomponents/shadydom/shadydom.min.js"></script>
<script src="../node_modules/@webcomponents/custom-elements/custom-elements.min.js"></script>
<script src="../scoping-shim.min.js"></script>
<script src="../apply-shim.min.js"></script>
<script src="../custom-style-interface.min.js"></script>
<script src="module/generated/make-element.js"></script>

<template id="mixin-element">
  <style>
    :host {
      background-color: rgb(0, 0, 255);
      height: 100px;
      display: block;
    }
    :host {
      @apply --mixin;
    }
  </style>
</template>

<template id="outer-element">
  <style>
    :host > * {
      --mixin: {
        background-color: rgb(255, 0, 0);
      }
    }
  </style>
  <mixin-element></mixin-element>
</template>

<script>
  suite('Mixin Fallbacks', function() {
    suiteSetup(function() {
      makeElement('mixin-element');
      makeElement('outer-element');
    });

    test('outer-element sets mixin color', function() {
      const el = document.createElement('outer-element');
      document.body.appendChild(el);
      const inner = el.shadowRoot.querySelector('mixin-element');
      const color = getComputedStyle(inner).getPropertyValue('background-color').trim();
      assert.equal(color, 'rgb(255, 0, 0)');
    });
    test('mixin-element by itself falls back correctly', function() {
      const mixinOnly = document.createElement('mixin-element');
      document.body.appendChild(mixinOnly);
      const color = getComputedStyle(mixinOnly).getPropertyValue('background-color').trim();
      assert.equal(color, 'rgb(0, 0, 255)');
    });
  });
</script>